Vicious (adjective) ظالمانہ، بدخصلت، نااہل

deliberately cruel or violent.
Example: “a vicious assault”
Synonyms: brutal, ferocious, savage, violent, dangerous, ruthless, remorseless, merciless
Antonyms: gentle, kindly, benevolent
Squabble (noun) لڑائی جھگڑا، تلخ کلامی

a noisy quarrel about something trivial.
Example: “family squabbles”
Synonyms: quarrel, row, argument, fight, contretemps, disagreement, difference of opinion, dissension
Antonyms: accord, agreement, harmony